diff --git a/frontend/src/components/dialog/lib-decrypt-dialog.js b/frontend/src/components/dialog/lib-decrypt-dialog.js
index be37b8a040..cfb2fcb1b0 100644
--- a/frontend/src/components/dialog/lib-decrypt-dialog.js
+++ b/frontend/src/components/dialog/lib-decrypt-dialog.js
@@ -64,7 +64,7 @@ class LibDecryptDialog extends React.Component {
               <p className="error">{gettext('Wrong password')}</p>
             }
             <input type="password" name="password" className="form-control password-input" autoComplete="off" onKeyPress={this.handleKeyPress} placeholder={gettext('Password')} onChange={this.handleChange} />
-            <button type="submit" className="btn btn-block btn-secondary submit" onClick={this.handleSubmit}>{gettext('Submit')}</button>
+            <button type="submit" className="btn btn-primary submit" onClick={this.handleSubmit}>{gettext('Submit')}</button>
             <p className="tip">{'* '}{gettext('The password will be kept in the server for only 1 hour.')}</p>
           </Form>
         </ModalBody>
diff --git a/frontend/src/css/lib-decrypt.css b/frontend/src/css/lib-decrypt.css
index 5b1bf04de7..fb5316005e 100644
--- a/frontend/src/css/lib-decrypt.css
+++ b/frontend/src/css/lib-decrypt.css
@@ -9,11 +9,4 @@
 .lib-decrypt-form .submit {
   width: 50%;
   margin: 1.5em auto 1em;
-  background: -webkit-linear-gradient(top, #fafafb, #eeeeee);
-  background: -moz-linear-gradient(top, #fafafb, #eeeeee);
-  background: linear-gradient(top, #fafafb, #eeeeee);
-  font-weight: normal;
-}
-.lib-decrypt-form .submit:hover {
-  background: #fff;
 }